Microplastic pollution making its way to remote Arctic waters, study of belugas' prey suggests

In this Aug. 25, 2017, file photo, provided by NOAA Fisheries, a newborn beluga whale calf sticks its head out of the water in upper Cook Inlet, Alaska.  (NOAA Fisheries via AP) In this Aug. 25, 2017, file photo, provided by NOAA Fisheries, a newborn beluga whale calf sticks its head out of the water in upper Cook Inlet, Alaska. (NOAA Fisheries via AP)